Consider the following business rule: An employee can manage multiple customers. A customer can be managed by multiple employees. How does this business rule(s) affect the database design? a.) The business rules define that there isn't a need for a relationship between the EMPLOYEE and CUSTOMER entities, as the relationship isn't a strong one. b.) The business rules define that there is a relationship between EMPLOYEE and CUSTOMER, and a 1:M relationship between those two entities. c.) The business rules define that there is a relationship between EMPLOYEE and CUSTOMER, and an M:N relationship between those two entities requiring a bridge table. d.) The business rules define that there is a relationship between EMPLOYEE and CUSTOMER, and a 1:1 relationship between those two entities.

A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Philip J. Pratt
Chapter2: Database Design Fundamentals
Section: Chapter Questions
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Consider the following business rule:

An employee can manage multiple customers. A customer can be managed by multiple employees.

How does this business rule(s) affect the database design?

  • a.)

    The business rules define that there isn't a need for a relationship between the EMPLOYEE and CUSTOMER entities, as the relationship isn't a strong one.

  • b.)

    The business rules define that there is a relationship between EMPLOYEE and CUSTOMER, and a 1:M relationship between those two entities.

  • c.)

    The business rules define that there is a relationship between EMPLOYEE and CUSTOMER, and an M:N relationship between those two entities requiring a bridge table.

  • d.)

    The business rules define that there is a relationship between EMPLOYEE and CUSTOMER, and a 1:1 relationship between those two entities.

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